Vaillant geoTHERM VWS Operating Manual

Also see for geoTHERM VWS: Installation instructions Operating manual Installation instructions

Vaillant geoTHERM VWS Operating Manual Manual pdf 25 page image

23Operating Manual geoTHERM VWS/VWW 0020051578_015.7 Starting up the heat pumpThe start-up of your heat pump was carried out afterinstallation by your expert technician company.Your heat pump does not need to be started up again ifit disconnects from the mains unexpectedly, for exampleas a result of a voltage drop (power cut, circuit breakerdefective, circuit breaker deactivated). Your geoTHERMheat pump has an automatic reset function, i.e. the heatpump reverts automatically to its starting condition,provided no fault is present in the heat pump itself. Findout what to do in the event of a fault in Chap. 5.12.5.8 Shutting down the heat pumpThe heat pump can only be switched off via the opera-tor control panel by deactivating the heating and hotwater generation (operating mode "Off"). 2ParametersOperating mode heating>OffSet value day 22 °CNight set back temp. 15 °C>Select operating modeFig. 5.3 Switching off the heating modeDHW loading 4ParametersOperating mode WW >OffMax. DHW temp. 60 °C 60 °CMin. DHW temp. 44 °C 44 °CCylinder temp. REAL 51 °C 51 °C>Select set target temperatureFig. 5.4 Switching off the hot water generationh Deactivate the fuse on your heating sys-tem if you need to de-energise the heatpump installation completely.5.9 Inspection by a specialist engineerIn contrast to heaters based on fossil fuels, no expen-sive maintenance work is necessary for the Vaillant geo-THERM heat pump. However an annual inspection of thesystem by a specialist is a prerequisite for continuedoperational safety, reliability and a long working life.d Danger!If inspections are not carried out, thiscan result in damage to property andpersonal injury.Only have inspections and repairs car-ried out by an approved heating installa-tion company.h Note Have your system checked regular-ly by an expert technician company toensure efficient operation of your heatpump.5.10 Inspection by the operatorIn addition to the annual inspection by an expert, asmall amount of inspection work needs to be carried outby the operator.5.10.1 Checking the filling pressure of the heatingsystemThe filling pressure of the heating installation should bechecked at regular intervals.Mon. 21.04.08 16:49 1Current flow temp. 28 °CCH pressure 1.2 barBrine pressure 1.4 barHeating only comp.Warning messageWarning messageFig. 5.5 Check filling pressure• Read off the filling pressure of your heating installa-tion at the heat pump controller (see Fig. 5.5).The pressure in the heating installation should be be-tween 1 and 2 bar. If it falls below 0.5 bar, the heat pumpwill be shut down automatically and an error messagewill be displayed.Operation 5GB